Help > Functions and applications > Do-not-Disturb
Do-not-Disturb
Do-not-Disturb offers the option of blocking internal and external calls as well as blocking group calls on a specific phone.
Do-not-Disturb has no effect on dialled calls and callbacks.
With the aid of block- and allowlists incoming, it is possible to block or allow calls of single phone numbers.
*Further help under Block- and allowlist
Process 
Do-not-Disturb proceeds as follows:
1. A caller hears the busy tone.
2. An internal caller can reach a phone with call protection in an emergency using a priority call.
*Description of operation using a character string under Unsuccessful outgoing calls
Configuration and Operation 
Switching on Do-not-Disturb separately for users.
User > Phone numbers > > Configure > Reachability
Functions on an internal phone/softphone:
Switching the Do-Not-Disturb Function On/Off
*For operation on telephones of the COMfortel D-series, please refer to the instructions for the telephone.
*For operation on the COMfortel SoftPhone 2, please refer to the instructions for the softphone.
*Description of operation using a character string under Do-not-Disturb